General

  • Target

    a464c66919f4577ddbb6e4528095761af5ca04e28c0b53377e8cb8feaebf85db

  • Size

    602KB

  • Sample

    241015-nqjqjssama

  • MD5

    dc637b68e36b6040ca1f93b13925eaf0

  • SHA1

    31c0e78d685fcb2caff797ac0b5fd5905f0953f2

  • SHA256

    a464c66919f4577ddbb6e4528095761af5ca04e28c0b53377e8cb8feaebf85db

  • SHA512

    57ea0d49a8e414416ca684c672333556a9f44d3a6c4fcf517848d4a91d899bc09f5aeaf1cf7e7fe0d412105da6c5d4bb62a7d0cb2f5e01f518f635977afb0089

  • SSDEEP

    12288:3YyNKuBu9k17CV02G/XS9H4CiGoX1X58rM8uM1cKULAV5GkOIiJov:AuBuq171ud4CVoX1XuMi1PGgp5kov

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.apexrnun.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    %qroUozO;(C2Rlyb

Targets

    • Target

      FHr0e3sxVyEquoS.exe

    • Size

      613KB

    • MD5

      9c663f1e3d86b80c289b305dd68b3f1d

    • SHA1

      530dcd2e8468f43de91458de8a588613054e7e5a

    • SHA256

      20648ff1d02266ebeece4bd2cc799c0b2be339887a45593c43cc851116820d4d

    • SHA512

      30ea0932295b8fe069545ad0bfc377501681fad3ac3d8928b66ea657110a0be7e99f269711d3655445ef58c7e7c3c3c2cfe591e938f56656c4eb9c1a5e9067b0

    • SSDEEP

      12288:E5US+Vb3QzPD17CV0AE/XS9HmP0JLfnoXBX58rMsuM9MeVvnjvpvo2NGVn2qr:EBYgzPD171gdmP0DoXBXuMSSed1voifq

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks